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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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Climate Hustle

2019 SkS Weekly Climate Change & Global Warming Digest #10

Posted on 10 March 2019 by John Hartz

Story of the Week... Editorial of the Week... Toon of the Week... John Cook in the News... Coming Soon on SkS... Climate Feedback Claim Review... SkS Week in Review... Poster of the Week...

Story of the Week...

Rain Is Triggering More Melting on the Greenland Ice Sheet — in Winter, Too

Pulses of melting linked to rainfall doubled in summer and tripled in winter, a new climate change study found. That's a problem for sea level rise.

Scientists on Greenland ice sheet

The total precipitation over the Greenland Ice Sheet didn’t change over the study period, but more of it fell as rain. The scientists estimated that almost a third of the total runoff they observed was triggered by rainfall. Credit: Joe Raedle/Getty Images

When a frozen snowflake falls on the Greenland Ice Sheet, it lands with a whisper and stays frozen, sometimes for months.

But raindrops splat down, making little craters and melting some of the adjacent snow crystals. Multiplied across thousands of square miles, they can trigger widespread melting and runoff, which can lead to more sea level rise.

A new analysis of satellite and weather data shows that melting associated with rain in Greenland doubled in the summers and tripled in the winters from 1988 to 2012 as temperatures rose , scientists write in a studypublished Thursday in The Cryosphere, a journal of the European Geosciences Union.

The total precipitation over the ice sheet didn't change over the study period, but more of it fell as rain, the study found. The scientists estimated that almost a third of the total runoff measured was triggered by rainfall.

They also found that melting events triggered by rain lasted longer, lengthening from an average of two days to three in the summer, and from two days to five in the winter. 

Rain Is Triggering More Melting on the Greenland Ice Sheet, Including in Winter by Bob Berwyn, InsideClimate News, Mar 8, 2019 


Editorial of the Week...

If America can find $716bn for the military, it can fund the Green New Deal

If we redirected the trillions spent on fruitless wars, funding Medicare for All and a Green New Deal is perfectly realistic

Sunrise Movement Protest US Capitol_02-15-19

The Sunrise Movement organized a protest to pressure Senator Mitch McConnell to support the Green New Deal on 25 February in Washington DC. Photograph: Michael Brochstein/SOPA Images/REX/Shutterstock 

At long last the political debate in the world’s richest country is vibrant with proposals that would help the most vulnerable in our society. And what do we hear in response? A growing chorus of naysayers.

Just pipe dreams” – that’s how the Washington Post columnist Robert Samuelson referred to proposals for guaranteed jobs, Medicare for All, universal childcare, and the Green New Deal.

Like many other pundits and politicians, Samuelson says we can’t afford such luxuries. Taxing the rich wouldn’t raise enough money. We’d have no choice but to resort to deficit spending.

Funny how some politicians have no qualms about ballooning the deficit with tax cuts for the rich but balk at investing in the long-term health of our people and communities. Just as peculiar: the fact that military spending cuts are virtually never mentioned as an option for freeing up funds for social good instead of war.

This year the US military budget is $716bn – and boy is it ripe for slashing.

That military budget represents about 53 cents of every discretionary dollar in the federal budget – and it’s one of the biggest reasons that people so often throw up their hands and shake their heads when they think about funding innovative ways to end poverty.

They don’t need to throw up their hands, though. The politicians and pundits should just start listening to children.

If America can find $716bn for the military, it can fund the Green New Deal, Opinion by William Barber & Phyllis Bennis, Comment is Free, Guardian, Mar 6, 2019 


Toon of the Week...

2019 Toon 10 


John Cook in the News...

John Cook is quoted extensively in the article, Mason climate communication scientist rejects White House plan to undercut National Climate Assessment, News at Mason, George Mason University, Mar 4, 2019


Coming Soon on SkS...

  • The temperature evolution after 2016 suggests hotter future (Ari)
  • Wallace Broecker: Scientists memorialize a titan of climate science (Bud Ward)
  • Hopes for our climate future(Climate Adam)
  • Analysis: The climate papers most featured in the media in 2018 (Robert McSweeney)
  • New research this week (Ari)
  • 2019 SkS Weekly Climate Change & Global Warming News Roundup (John Hartz)
  • 2019 SkS Weekly Climate Change & Global Warming Digest (John Hartz)

Climate Feedback Claim Review...

Senator Sanders’ claim that climate change is making tornadoes worse isn’t supported by published research

Key Takeaway: Human-caused climate change is known to be having an influence on some types of weather extremes, including heat waves and intense rainstorms. However, scientists aren't certain about certain other types of weather, either because historical data are insufficient to detect trends or because it's unclear how those weather patterns will respond to warming. It is not currently clear how climate change affects tornadoes.  

Senator Sanders’ claim that climate change is making tornadoes worse isn’t supported by published research, Edited by Scott Johnson, Climate Feedback, Mar 8, 2019


SkS Week in Review... 


Poster of the Week...

2019 Poster 10 

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Comments

Comments 1 to 2:

  1. Politicians will not listen to the children.  They will only listen to the people who will finance their next election campaign.  Who Pays the Piper Calls the Tune.  The solution is obvious.

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  2. The politicians only get to be politicians if they are elected, regardless of how much money they raise. If we stop electing climate-change deniers, we might start making progress.

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